Cauendab



J. H. MATTICE CALENDAR May 13 1924.

Filed March 26. 1923 May 13, 1924,

J. H. MATTICE CALENDAR Filed March 26 1923 2 Sheets-Sheet 2 Ill/A aseaegetta mza 314mm (707m 6. 7747-7755 Patented ay 13, 1924.

UNITED STATES JOHN H. MATTICE, O'F CLYDE, KANSAS.

CALENDAR.

Application filed March 26, 1923. I Serial No. 627,771.

To all whom it may concern:

Be it known that I, JOHN H. MATTICE, a citizen of the United States, residing at Clyde, in the county of Cloud and State of Kansas, have invented certain new and use ful Improvements in Calendars; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in calendars of'the type having relatively shiftable exhibitors capable of being set in a manner to provide a calendar which can be used for a great number of years.

The principal object of the invention is to provide a calendar which will be extremely simple and inexpensive, yet will be absolutely accurate, the construction and arrangement of characters being such that it is not necessary to keep in mind a great number of rules governing thirty day months, thirty-one day months, the twentyeight day month of February, and the leap years in which February has twenty-nine da s. l Vith the foregoing in view, the invention resides in the novel subject matter hereinafter described and claimed, the description being supplemented by the accompanying drawings.

Figure 1 is a front elevation of a calendar constructed in accordance with my invention.

Figures 2 and 3 are front elevations of the two movable exhibiting disks- Figure 4 is an elevation of the face plate.

Figure 5 is a vertical sectional view showing the relation of the face plate and the two exhibiting disks, and the operating means for the latter.

In the form of construction selected for illustration in the present application, the

numeral 1 designates a suitably shaped face plate having two elongated slots 2 and a relatively large opening 3. The calendar disclosed is for the ninteenth and twentieth centuries and I print the face plate .1 with the numbers 18 and 19, adjacent said slots 2. The number 18 co-operates with certain additional numbers to be displayed in one of the slots 2, to represent the years 1800 to 1899, while the numeral 19 co-operates with-additional numbers displayed in the other slot 2, to represent the years 1900 to 1999' For want of a better expression, I

plurality of month day numbers 5 on a movable exhibiting disk 6 disposed behind the face plate 1 and in the present instance pivoted to the latter at a central point. The numbers 5 are disposed in thirteen radial columns and any seven of these columns may be viewed at one time in the opening 3, in alinement with the week day designations 4. The central column of the numbers 5. contains the numbers 1, 8, 15, 22 and 29, reading downwardly; the numbers at the right of these specified numbers, increase consecutively from said specified numbers; and the numbers at the left of said specified numbers increase successively toward the same. The numbers. 30 are distinctively printed as indicated at 5 and in order that certain de' scriptive, matter to follow hereinafter may be more fully understood, attention may be directed to the fact that the number30 is the last day of any of the four months, April, June, September and November. The number 29 on the disk is also distinguished from the others, for instance by underscoring the same as indicated at 5", representing the last day of February in leap years.

In the present showing, the disk 6 is pro vided with a suitable stop 7 to engage the end walls of the opening 3 to limit the movement of said disk with respect to the face plate 1, and in order that this disk willnot at times cover the slots 2 of said face plate, its upper portion is preferably formed with an arcuate opening 8; I also form a relatively small opening 9 in the disk 6, through which the names of the months may be viewed, this opening being preferably posi tioned in such a manner that it is at alltimes within the area of the opening 3.

A second exhibiting disk 10 is disposed behind the disk 6 and is pivoted co-axially therewith. The peripheral portion of this disk is printed with legends representing the twelve months of the year and the four thirty day months, April, June, September and November, are distinctively printed to correspond with the distinctive printing of the numbers 30 of the group 5. Thus, when any of these distinctively printed month legends appears through the opening 9, at-

tention is directed by the distinctive printing thereof, compared to the similar printing of the numbers 30, that this particular month has thirty days. .The legends. repre senting the four thirty day months are indicated on the drawings by the reference numeral 11, the legend for February is indicated at 12 and is preferably underlined as at 13, and the other month legends are designated by the numerals 14:.

In addition to the data above described, the disk 10 is printed with a plurality of radial columns 15 of year numbers which co-act with the century numbers 18 and 19 on the face plate 1 to represent different years. For instance, in the right hand slot 2 of Fig. 1, the years 1901, 1907, 1912, 1918, etc., are represented. There are a number of these columns, and their arrangement allows seven columns for each month corresponding to the seven calendars for the month appearing in the opening 9, and the numbers of the individul columns are arranged in a manner which can be more clearly illustrated than described, reference being therefore directed to Fig. 3 in particular. It will be observed that certain of the numbers are underscored as indicated at 16. These underscored numbers represent the leap years in which February has twenty-nine days, and when the calendar is set for instance to show the days of February 1924, the numeral 24:appearing in the column exposed at the right hand slot 2, will be underscored, the month legend 12 for February, appearing in the opening 9 will be similarly underscored, and the month day number 29'of thedisk 6 will also be underscored. It is thus clear that the underscored 29 is the last day of February in the particular leap year in question. i I

By properly setting the calendar, the month days of any month and any year, within limits, may be displayed in the opening 3. i For instance, when the back exhibiting disk 10 is set so that the desiredmonth legend is displayed through the opening 9 and the two exhibiting disks 6 and 10 are bodily turned until the required year number 15 is exposed through one of the slots tor co-action with the proper century designation 18 or 19, then the columns of 1111111- bers 5 on the disk 6 are properly alined with the week day designations 4:. WVhen set as shown in Fig. 1, the device will show the month days for September and December 1805, 1e11, 1816, etc, and 1901, 1907, 1912, 1918, etc. In all instances, by turning the exhibiting disk 10 to show the proper month legend through the opening 9 and after this has been done, simultaneously turning the two disks 6 and 10, until the desired year number appears in the proper column '2, the numbers 5 on the exhibiting disk 6 are automatically set in proper relation with the week day designations a. If the particular month legend displayed through the opening 9 is a thirty day month, comparison of its distinctive printing with the distinctively printed number represented by the reference numeral 5, will show this at a glance. If the year at which the calendar is set is a leap year, the underlining 1G appearing in the slots 2, will show this and the under lining 5 under-the number 29 in the open- 3 shows that whenever the month February appears in the opening 9, this month will have twenty-nine days in all the underlined years now appearing in the slots.

' The columns 15 may be said to possess representative numbers at their outer or upper ends, when presented in the slots 2, and the number of years which may be found under these representative numbers, may be given in printed directions on the back of the calendar if desired. Also, similar notations with respect to the underlining and the distinctive printing of certain numbers may be given.

In the preferred form of construction, selected for illustration in the present application, the three members 1, 6 and 10. are trictionally enga ed with eachother, an operating knob 20 is provided for the exhibitingdisk 6, and an operating rib or the like 21 around said knob is employed for the back exhibiting disk 10. I wish it understood however that the exact association of parts shown is not essential as in some instances, the exhibitors need not be circular, and need not be pivotally mounted, but could well slide instead of having rotary or pivotal movement.

A calendar constructed in accordance with the present disclosure has proven to be absolutely accurate for the entire-nineteenth and twentieth centuries, and it is not a difiicult matter to adjust the device for any year desired, within this period.

It will be understood that the period of time represented by the calendar is determined by the century numbers and the columns of year numbers shown on plate 10.

Therefore, the location of the slots, the

opening 3, the opening 9, and the arrange ment of the numerous characters onthe calendar are unchangeable in their relation to each other. though they-may be varied otherwise in numerous ways, within the scope of the invention as claimed.

I claim:

A calendar comprising a face plate having two slots and century members adjacent said slots, said face plate also having an opening and week day designations along one edge thereot'ga movable exhibitor behind said face plate having thirteen col uinns of month day numbers any seven columns of which may be viewed simultaneously through said opening in line with said week messes 3 secutively from the above specified numbers while the numbers of the columns at the left of said central column increase consecutively toward said specified numbers, the

number 29 being distinctivelydisplayed to show the last day of February in leap years while the numbers 30 are also distinguished from the others to show the last day of April, June September and November; and

a second movable exhibitor behind said first named exhibitor having twelve month legends with the legends of April, June, September and November distinctively displayed to correspond with the manner of distinguishing the numbers 30 from the other month day numbers, said first named exhibitor having an opening through which any of said legends may be seen When the two exhibitors are properly set with respect to each other, said second exhibitor having col umns of year numbers for presentation at the slots of said face plate to co-operate with said century numbers to show numerous years the leap year numbers being distinc tively displayed to correspond with the manner of distinguishing the month day 29.

In testimony whereof I have hereunto atfixed my signature.

JOHN H. MATTIG'E. 

